CN217776876U - Motor bearing assembly and disassembly tools - Google Patents
Motor bearing assembly and disassembly tools Download PDFInfo
- Publication number
- CN217776876U CN217776876U CN202221937847.9U CN202221937847U CN217776876U CN 217776876 U CN217776876 U CN 217776876U CN 202221937847 U CN202221937847 U CN 202221937847U CN 217776876 U CN217776876 U CN 217776876U
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- Prior art keywords
- bearing
- disassembling
- motor
- hydraulic
- dismounting
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- 238000009434 installation Methods 0.000 claims description 20
- 238000012856 packing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model belongs to the technical field of machining, and relates to a motor bearing disassembling tool, which comprises a bearing disassembling hydraulic fixed disk, wherein a hydraulic driver is connected to the bearing disassembling hydraulic fixed disk through threads, two pull rods are vertically connected to the bearing disassembling hydraulic fixed disk, and the pull rods are symmetrically arranged about the hydraulic driver; in the state of mounting the bearing, the cylinder driving end of the hydraulic driver is contacted with a mounting structure, and the mounting structure is connected with a motor spindle; under the state of disassembling the bearing, the pull rod is connected with a disassembling structure, and the disassembling structure is connected with a motor spindle. The motor bearing can be simply and quickly disassembled and assembled, the operation time is saved, the bearing cannot be damaged in the disassembling and assembling process, and the potential safety hazard existing in the disassembling and assembling process is eliminated.
Description
Technical Field
The utility model relates to an assembly and disassembly tools, especially a motor bearing assembly and disassembly tools belongs to machining technical field.
Background
The motor bearing in the factory workshop is an important part for fixing and reducing friction in the transmission process of the motor, bears load, supports the motor spindle and enables the motor rotor to rotate stably.
Along with the increase of service life of workshop appliance motor, need do the prevention and maintenance, regularly change the motor bearing, supplementary instrument such as dismouting bearing need with the help of draw horse ware, hand hammer, bar copper.
The contact point of the three-jaw puller and the bearing is a bearing outer ring, when the three-jaw puller is detached, the bearing outer ring is easy to fall off, the inner ring is clamped on the shaft, once the bearing outer ring falls off and the inner ring is clamped on the shaft, the inner ring needs to be polished by using an angle grinder to detach the bearing, and the motor spindle is very easy to damage in the process.
The copper bar and the bearing are in point contact, poor installation of the bearing is easily caused during installation, the inner ring and the outer ring are not positioned at the same rotating center, the non-concentricity is caused, and even the inner ring and the rolling body of the bearing are slightly damaged, so that after the installed bearing runs for a period of time, the vibration value and the heat productivity are obviously increased, and the bearing needs to be disassembled and inspected again.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a motor bearing assembly and disassembly tools, can overcome prior art's defect, dismouting motor bearing that can be simple swift saves operating time, and the dismouting in-process can not cause the damage to the bearing, has eliminated the potential safety hazard that the dismouting in-process exists again.
In order to solve the above problems, the specific technical scheme of the utility model is as follows: the motor bearing dismounting tool comprises a bearing dismounting hydraulic fixing disc, a hydraulic driver is connected to the bearing dismounting hydraulic fixing disc in a threaded manner, two pull rods are vertically connected to the bearing dismounting hydraulic fixing disc, and the pull rods are symmetrically arranged around the hydraulic driver;
in the state of mounting the bearing, the cylinder driving end of the hydraulic driver is contacted with a mounting structure, and the mounting structure is connected with a motor spindle;
under the state of disassembling the bearing, the pull rod is connected with a disassembling structure, and the disassembling structure is connected with a motor spindle.
The mounting structure comprises a bearing mounting sleeve, one side end face of the bearing mounting sleeve is an open end, a gasket is embedded in the open end, and the motor spindle is located in a cavity of the bearing mounting sleeve.
The dismounting structure comprises a wafer bearing dismounting sheath, a bearing positioning hole is formed in the center of the wafer bearing dismounting sheath, and a motor spindle penetrates through the bearing positioning hole and then is in contact with the end of a driving cylinder of the hydraulic driver.
The side surface of the wafer type bearing dismounting sheath is fixed on the pull rod through a nut.
The nut is a butterfly nut.
The axis of the hydraulic driver is superposed with the axis of the bearing dismounting hydraulic fixed disc.
The utility model discloses the beneficial effect who brings does:
the utility model discloses a sheath cooperation is dismantled with the wafer formula bearing to bearing dismouting hydraulic pressure fixed disk for the bearing is dismantled, through bearing dismouting hydraulic pressure fixed disk and the cooperation of bearing installation sleeve, is used for the bearing installation, has satisfied the function that an instrument possessed the dismouting bearing simultaneously.
The utility model discloses when dismouting motor bearing, sheath and bearing contact are dismantled to bearing installation sleeve and wafer formula bearing, make instrument and bearing be the face contact all the time, avoid the bearing damage.
The utility model discloses a nut is butterfly nut, easy operation convenience.
The utility model discloses light in weight, simple structure can satisfy the dismouting of 75KW power motor bearing.
Drawings
Fig. 1 is a schematic structural view of a motor in a bearing mounting state.
Fig. 2 is a schematic structural view of the motor bearing in a disassembled state.
Detailed Description
As shown in fig. 1, the motor bearing dismounting tool comprises a bearing dismounting hydraulic fixing disk 1, wherein a hydraulic driver 2 is in threaded connection with the bearing dismounting hydraulic fixing disk 1, the axis of the hydraulic driver 2 coincides with the axis of the bearing dismounting hydraulic fixing disk 1, two pull rods 3 are vertically connected to the bearing dismounting hydraulic fixing disk 1, and the pull rods 3 are symmetrically arranged relative to the hydraulic driver 2.
Under the installation bearing state, hydraulic driver 2's cylinder drive end is connected with bearing installation sleeve 4, 4 side end faces of bearing installation sleeve are open end 5, open end 5 is embedded to have packing ring 6, the packing ring 6 of suitable wall thickness is selected according to motor spindle 8 and bearing installation sleeve 4's interval, bearing installation sleeve 4, hydraulic driver 2's the actuating cylinder and motor spindle 8 are coaxial, guarantee that hydraulic driver 2 applies force balanced, make the outer circumference of installing motor spindle 8 that bearing 7 can the position accuracy, positional deviation can not take place, guarantee the installation accuracy.
In the installation process, the bearing 7 is sleeved on the outer circumference of the motor spindle 8, the opening end 5 of the bearing installation sleeve 4 is contacted with the bearing 7, the other end of the bearing installation sleeve 4 is contacted with the cylinder driving end of the hydraulic driver 2, the end part of the pull rod 3 is tightly propped against the side wall of the motor 9 to start the hydraulic driver 2, the bearing installation sleeve 4 moves towards the motor 9 along the length direction of the motor spindle 8 under the driving of the hydraulic driver 2, and the operation of the hydraulic driver 2 is stopped after the bearing installation sleeve reaches a proper position.
As shown in fig. 2, in the state of bearing removal, one end of the pull rod 3 close to the motor 9 is connected with a clamp-type bearing removal sheath 10, a bearing positioning hole 11 is formed in the center of the clamp-type bearing removal sheath 10, the motor spindle 8 penetrates through the bearing positioning hole 11 and then contacts with the end of a driving cylinder of the hydraulic driver 2, and the side surface of the clamp-type bearing removal sheath 10 is fixed by a nut 12, so that the clamp-type bearing removal sheath 10 is prevented from falling off the pull rod 3.
The nut 12 is a butterfly nut, and is simple and convenient to operate.
In the dismounting process, the pull rod 3 is placed at the position where the bearing is to be dismounted, the wafer type bearing dismounting sheath 10 and the pull rod 3 are fixed in position, the bearing 7 is ensured to be located in the bearing positioning hole 11 in the fixing process, then the wafer type bearing dismounting sheath 10 and the pull rod 3 are locked through the nut 12, the hydraulic driver 2 is started, and the wafer type bearing dismounting sheath 10 pulls the bearing 7 away from the motor spindle 8 under the action of pulling force.
The first embodiment is as follows:
when the 6316 bearing is disassembled, the clamp type bearing disassembling sheath 10 is firstly installed on the inner side of the motor bearing 7, then the bearing disassembling hydraulic fixing disc 1 and the clamp type bearing disassembling sheath 10 are connected together through the pull rod 3, then the hydraulic driver 2 is installed, the top of the hydraulic driver 2 is ensured to be perpendicular to the end face of the motor spindle 8, and after the calibration is finished, the bearing is slowly disassembled by pulling the hydraulic wrench.
Example two:
when the 6316 bearing is installed, firstly, the connecting rod 3 needs to be installed on a bolt hole of the shell of the motor 9, then the bearing installation sleeve 4 is installed on the motor spindle 8, then the dismounting hydraulic fixing disk 1 with the hydraulic driver 2 is installed on the connecting rod 3, the dismounting hydraulic fixing disk 1 is ensured to be parallel to the end face of the motor spindle 8, and finally the bearing installation sleeve 4 is pushed by moving the hydraulic rod, and the bearing 7 is installed in place slowly.
What has been described above is merely a preferred embodiment of the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications and improvements can be made, and shall be considered as belonging to the protection scope of the present invention.
Claims (6)
1. Motor bearing assembly and disassembly tools, its characterized in that: the hydraulic bearing assembling and disassembling device comprises a bearing assembling and disassembling hydraulic fixing disc (1), a hydraulic driver (2) is connected to the bearing assembling and disassembling hydraulic fixing disc (1) in a threaded mode, two pull rods (3) are vertically connected to the bearing assembling and disassembling hydraulic fixing disc (1), and the pull rods (3) are symmetrically arranged relative to the hydraulic driver (2);
in the state of mounting the bearing, the cylinder driving end of the hydraulic driver (2) is contacted with a mounting structure, and the mounting structure is connected with a motor spindle (8);
under the state of disassembling the bearing, the pull rod (3) is connected with a disassembling structure, and the disassembling structure is connected with a motor spindle (8).
2. The motor bearing removal tool of claim 1, wherein: mounting structure include bearing installation sleeve (4), bearing installation sleeve (4) a side end face be open end (5), open end (5) are embedded to have packing ring (6), motor spindle (8) are located the cavity of bearing installation sleeve (4).
3. The motor bearing removal tool of claim 1, wherein: the dismounting structure comprises a wafer bearing dismounting sheath (10), a bearing positioning hole (11) is formed in the center of the wafer bearing dismounting sheath (10), and a motor spindle (8) penetrates through the bearing positioning hole (11) and then is in contact with the end portion of a driving cylinder of the hydraulic driver (2).
4. The motor bearing removal tool of claim 3, wherein: the side surface of the wafer type bearing dismounting sheath (10) is fixed on the pull rod (3) through a nut (12).
5. The motor bearing disassembly tool of claim 4, wherein: the nut (12) adopts a butterfly nut.
6. The motor bearing removal tool of claim 1, wherein: the axis of the hydraulic driver (2) is superposed with the axis of the bearing dismounting hydraulic fixing disc (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221937847.9U CN217776876U (en) | 2022-07-26 | 2022-07-26 | Motor bearing assembly and disassembly tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221937847.9U CN217776876U (en) | 2022-07-26 | 2022-07-26 | Motor bearing assembly and disassembly tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217776876U true CN217776876U (en) | 2022-11-11 |
Family
ID=83941743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221937847.9U Active CN217776876U (en) | 2022-07-26 | 2022-07-26 | Motor bearing assembly and disassembly tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217776876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116839902A (en) * | 2023-04-20 | 2023-10-03 | 人本股份有限公司 | Wind power main shaft bearing pairing test equipment |
-
2022
- 2022-07-26 CN CN202221937847.9U patent/CN217776876U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116839902A (en) * | 2023-04-20 | 2023-10-03 | 人本股份有限公司 | Wind power main shaft bearing pairing test equipment |
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